Advanced Engine Design 5110X .110 Viton Adjustable Needle and Seat Set for Holley and Quick Fuel Carburetors, 10-Pack

Restore precise fuel control in compatible Holley and Quick Fuel carburetors with the Advanced Engine Design 5110X adjustable needle and seat set. Each assembly features a .110-inch orifice and a Viton tip designed to provide dependable sealing and consistent fuel regulation in performance carburetor applications. The adjustable design supports accurate float-level tuning for improved carburetor setup and operation.

This 10-pack provides multiple replacement assemblies for carburetor servicing, rebuilding, or maintaining performance vehicles. The components are suited for applications where reliable fuel metering and resistance to common fuel-related wear are important. Use the Advanced Engine Design 5110X set as a practical replacement for worn or damaged needle and seat assemblies in compatible Holley and Quick Fuel carburetors.

Installation should be performed by a qualified technician or experienced mechanic, with carburetor adjustment completed according to the applicable manufacturer’s procedures. Verify compatibility with the carburetor model and application before installation. The set is not air restricted and is not limited to truck freight shipping.

Features:

• Brand: Advanced Engine Design

• Part Number: 5110X

• Product Type: Adjustable needle and seat set

• Orifice Size: .110 inch

• Tip Material: Viton

• Application: Holley and Quick Fuel carburetors

• Quantity: 10 needle and seat assemblies

• Fuel Control: Supports accurate float-level adjustment and consistent fuel regulation

• Shipping Classification: Not air restricted and not truck freight only